Collatz Sequence
Generates the Collatz (3n+1) sequence to 1. Free, instant and 100% private in your browser.
Converters Runs in your browser
What does Collatz Sequence do?
Generates the Collatz (3n+1) sequence to 1. Paste your number on the left and NMSnabbit instantly shows the sequence on the right. For example, “6” gives “6 3 10 5 16 8 4 2 1”. Everything runs locally in your browser — nothing is uploaded, so it stays private and works offline. You can process several values at once and copy the result with one click.
How to use the Collatz Sequence
- 1 Type or paste your number into the input box.
- 2 The sequence appears instantly in the output box as you type.
- 3 Tip: try the example “6” to see “6 3 10 5 16 8 4 2 1”.
- 4 Click “Copy output” to copy the result.
What you can use it for
- Quickly generates the collatz (3n+1) sequence to 1 without installing anything.
- Checking results while learning or teaching how number and sequence relate.
- Preparing or debugging data for programming, electronics or homework.
- Working privately when the data shouldn't be uploaded to a server.
Frequently asked questions
How do I use Collatz Sequence?
Paste your number into the input field above. Collatz Sequence runs instantly in your browser and shows the sequence on the right — no button to press and nothing uploaded.
Is Collatz Sequence free and private?
Yes. Collatz Sequence is completely free with no sign-up, and it runs entirely client-side in your browser, so your data never leaves your device.
Can I process more than one value at once?
Yes. Enter several values separated by spaces or new lines and each one is handled independently, so you can batch-process in a single pass.
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